Ciro Santilli
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中国独裁统治 China Dictatorship 新疆改造中心、六四事件、法轮功、郝海东、709大抓捕、2015巴拿马文件 邓家贵、低端人口、西藏骚乱
Light year (ly)
...
Natural science
Physics
System of units
List of systems of units
International System of Units
Length
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Astronomical measurement unit
Ancestors
Length
International System of Units
List of systems of units
System of units
Physics
Natural science
Science
Ciro Santilli's Homepage
Synonyms
Kly
Ly